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Periodic Anderson model with d-f interaction

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 نشر من قبل Imre Hagymasi
 تاريخ النشر 2011
  مجال البحث فيزياء
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We investigate an extended version of the periodic Anderson model where an interaction is switched on between the doubly occupied d- and f-sites. We perform variational calculations using the Gutzwiller trial wave function. We calculate the f-level occupancy as a function of the f-level energy with different interaction strengths. It is shown that the region of valence transition is sharpened due to the new interaction.

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